Description

1,4-Bis(2-Hydroxyethyl Thio)Butane is a versatile sulfur-containing organic compound with a unique dithiol structure, functioning as a crucial building block and intermediate in advanced chemical synthesis. Its bifunctional nature, featuring terminal hydroxyl and thioether groups, makes it a valuable precursor for creating polymers, ligands, and specialty additives with tailored properties. This chemical is primarily sought by the polymer industry for cross-linking agents, by the pharmaceutical sector for drug synthesis, and by research laboratories developing novel materials and catalysts.

Application

• Polymer & Resin Modification: Acts as a chain extender, cross-linking agent, or modifier to introduce sulfur moieties into polyurethanes, epoxies, and other polymers, enhancing flexibility, adhesion, or chemical resistance.
• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring thioether or dithiol functionalities.
• Ligand Synthesis for Catalysis: Used to prepare chelating ligands for metal complexes in homogeneous catalysis, valuable in various organic transformation processes.
• Specialty Chemical Manufacturing: Employed as a precursor for surfactants, corrosion inhibitors, and other performance chemicals where the combination of hydroxyl and sulfur groups is beneficial.
• Research & Development: Utilized in academic and industrial R&D for exploring new material science applications, including self-assembled monolayers and novel organic frameworks.
• Adhesive & Sealant Formulations: Incorporated to improve the curing characteristics and final properties of high-performance adhesives and sealants.

Basic Information

Product Name	1,4-Bis(2-Hydroxyethyl Thio)Butane
CAS No.	7425-93-6
Molecular Formula	C8H18O2S2
Molecular Weight	210.36 g/mol
Synonyms	2,2'-(Butane-1,4-diylbis(sulfanediyl))diethanol; 1,4-Butanediol bis(2-mercaptoethyl ether); Bis(2-hydroxyethylthio)butane; 1,4-Bis(2-mercaptoethoxy)butane; Dithiodiglycol; 2,2'-Thiodiethanol dimer; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 1,4-Bis(2-Hydroxyethyl Thio)Butane is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting results from methods such as HPLC, GC, and NMR are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.520 - 1.540

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.